How would you use a number line to order integers from least to greatest

For how answer my question this will be the last question can you answer in math subject

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

Four equations are shown below. equation 1: y=2*equation 2: y=2x-5equation 3: y=x2 + 6equation 4: tdentify one linear equation and one nonlinear equation from the list. why each equation you identified is linear or nonlinear. nd one nonlinear equation from the list. state a reasonlinear equation